diff --git a/README.md b/README.md
index 8901c63..02f94cf 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Get information about a message
 #### Executable flag `relative`
 If enabled, allow only relative paths for files in local mode.
 
-#### Executable flag `insecure` (not yet implemented)
+#### Executable flag `insecure`
 Allow http connection in non-local mode
 
 
diff --git a/telegram-bot-api/WebhookActor.cpp b/telegram-bot-api/WebhookActor.cpp
index be8ef2e..a856b08 100644
--- a/telegram-bot-api/WebhookActor.cpp
+++ b/telegram-bot-api/WebhookActor.cpp
@@ -654,7 +654,7 @@ void WebhookActor::start_up() {
   pending_new_connection_flood_.add_limit(1, 1);
 
   if (!parameters_->local_mode_) {
-    if (url_.protocol_ == td::HttpUrl::Protocol::Https) {
+    if (url_.protocol_ == td::HttpUrl::Protocol::Https || (parameters_->allow_http_ && url_.protocol_ == td::HttpUrl::Protocol::Http)) {
       if (url_.port_ != 443 && url_.port_ != 88 && url_.port_ != 80 && url_.port_ != 8443) {
         VLOG(webhook) << "Can't create webhook: port " << url_.port_ << " is forbidden";
         on_error(td::Status::Error("Webhook can be set up only on ports 80, 88, 443 or 8443"));